I am going to put a piece of new fuel line on it i am unsure what size line i need stock carb inside diameter. For example an an size 2 designates a tube od of 18 2 x 116 the tube od of an size 3 is 316 3 x 116.
What Is This Silver Disc In The Fuel Line Svtperformance Com
What size is fuel line. Discussion starter 1 aug 1 2007. Neoprene with an outer steel braiding is also offered for custom applications. I just got my acerbis 53 tank. Dmaita premium member. Excessive pressure drop in the fuel lines feeding a carburetor or efi system will. What size fuel line to use for an outboard 516 or 38.
The ½ line will result in a ½ pound drop versus the 3 pound drop for the 38 line at the stated flow of 833 gph enough to support 1000 hp at a bsfc of5. The pressure drop at 1320 hp thru a 38 steel line might be around 5 psi. The an size number is correctly displayed with a dash before the number. 6an 38 od 8an 12 od 10an 58 od 12an 34 od. Anything above that has to be a 38 fuel line. Jump to latest follow 1 14 of 14 posts.
It is important to understand the relationship between fuel line size and fuel pressure when planning a fuel delivery system. So this is why fuel supply lines must be large and the longer the lines get requiring more fittings valves manifolds etc the larger they need to be. The size of the fuel line is determined by the outside diameter. Completing the measurement is simple and takes relatively few tools. Yes the pressure drop thru a ½ line is a nominal 5 feet versus 35 feet for the 38 id fuel line. Neoprene fuel line is available in 18 inch through 58 inch sizes on bulk rolls with additional 3 foot sections of large 1 12 inch through 2 14 inch sizes available for gas filler neck applications.
Popular fuel line sizes. Post mar 25 2014 1 2014 03 25t0012. Fuel systems can be incorrectly designed if the pressure loss attributed to the length of the fuel lines isnt taken into account. Also i am going to put a in line filter on it so do i need a filter to fit the same size. However it is difficult to clamp with a standard worm gear clamp. It is important to have the right size so the vehicle operates efficiently.
Here is a more in depth break down of the differences in the hoses and the biggest reasons why it is important to have the right ones installed. The fuel line along with the other parts of a fuel system are responsible for delivering the fuel from the fuel cell into the carburetor. Joined sep 20 2005 265 posts. Inside the ½ fuel line the fuel would be traveling at 2 ftsecond and inside the 38 fuel line just over 3 ft per second. 516 fuel line can be used in up to a 115 hp outboard engine. Did all v8 camaros come with 38 inch fuel lines or was it just ss or big block cars.
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